826. 
Veronica bellidioides 458 
- fruticans 458 
- hederifolia 600 
- offieinalis 285, 629 
- Ponae 285 
Verrucaria 2. 
— hydrela 2 
— maura Wahlb. 5 
— mucosa Wahlbg. 5 
Verrueidens intermedius 718 
Vertieilium albo-atrum 591 
Vesicularia 715 
Vespa eincta 461 
Vicia 602 
— ı9)09, 237, 280, 2875 292, AS, RT, 
354, 544, 583, 617, 623, 625 
— _ hirsuta 327 
—- macrocarpa 496 
Vickersia N. A. 248 
- eanariensis Kars. var. mediterranea 
Funk* 109 
Vinea 454 
— minor 280, 344 
Viola 281, 346, 454, 487 
—- arvensis 281 
—  canina 629 
— odorata 473 
— Rafinesquii Greene 442 
—_  tricolor 281 
Viscaria alpina G. Don 465 
Viseum 466, 467 
— album 291, 391, 
428, 471 
Vitex 377 
— agnus castus 482 
— Staudtii 373 
Viticicola Tessmannı 373, 376 
Vitis 412 
— vinifera 574 
—- vulpina 359 
Voitia nıvalis 651 
Volvocaceae 81, 92, 213, 215, 216 
Volvocales 20, 25, 85, 95, 263 
Volvox 21, 86, 87, 95, 96, 263, 301 
- africanus West 217 
aureus 20, 86, 95, 216, 630 
Barberi Shaw* 93 
Carteri 92 
- globator 93 
— Merrillii Shaw* 93 
— N.A,18 
424, 425, 427, 
Veronica bellidioides—Xanthorrhoea Preissii 
Volvox perglobator 93 
—- Rousseletii 93 
— spermatosphaerus 215 
— tertius Meyen 217 
— Weismannia 92 
— Weismannianus Pow. 217 
Vriesea 347, 445 
— carinata 347 
Warburgiella 717 
Webera nutans 734 
— (Schreb.) Hedw. var. subdenti- 
culata (Bridl.) Hübn. 681, 734 
poligera 733 
sessilis 657 
— Tozeri 663 
Weberaceae 659 
Weinmannia lachnocarpa 319 
Weisia 686, 692, 693, 694, 715 
— cerispata 693 
graeca 690 
oranica Rehm. 724 
tyrrhena 690 
viridula 718 
— var. longifolia Ther. et P. de 
Vo Val 
— var. macrophylla Ther. et P. de 
Ka Wo all 
Weisiodon 722, 723, 727 
Weisiopsis Broth. N. @. 692 
Westiella lanosa 156 
Wildemania N. A. 248 
Wilhamsia tricolor Broth. 645 
Williamsiella tricolor E. Britton 645 
Wilsonaea 114 
Wrangelia 238 
Wrightiella N. A. 248 
Wurdemannia 113 
Xanthidium 79, 168. — N. A. 210 
— armatum (Breb.) Rabenh. f. sub- 
fissum Elenkin* 76 
— coronatum 183 
— octocorne f. impar Jacobs. 201 
Xanthium 482, 603 
Xanthoria 3 
— fallax (Hepp) Arn. 5 
Xanthorrhoea 422 
— Preissii 453 
